Black's Law Dictionary (2nd edition)dictionaries

Vidua Regis

Lat in old English law. A king’s widow. The widow of a ten-ant in capite. So called, because she wns not allowed to marry a second time without the king’s permission; obtaining her dower also from the assignment of the king, and having the king for her patron and defender. Spelman

Source: Black’s Law Dictionary 2nd Ed (1910)